function filterMethod(val) {
  if (val) {
    val = val.replace(/(^\s*)|(\s*$)/g, "")
    this.stuffOldListC = this.stuffOldList.filter(item => {
      if(!!~item.val.indexOf(val) || !!~item.val.toUpperCase().indexOf(val.toUpperCase())) {
        return true
      }
    })
  } else {
    this.stuffOldListC = this.stuffOldList
  }
}
func